﻿DROP VIEW IF EXISTS `bigclass`;
CREATE ALGORITHM=UNDEFINED SQL SECURITY DEFINER VIEW `bigclass` AS select `open_category`.`cat_id` AS `cat_id`,`open_category`.`cat_name` AS `cat_name`,`open_category`.`parent_id` AS `parent_id` from `open_category` where (`open_category`.`parent_id` = '0');